INTERVIEW QUESTIONS DATA WAREHOUSING DETAILS

Question: What is a data mart?

Answer: A data mart is a segment of a data warehouse that can provide data for reporting and analysis on a section, unit, department or operation in the company, e.g. sales, payroll, production. Data marts are sometimes complete individual data warehouses which are usually smaller than the corporate data warehouse.

A data mart is a segment of a data warehouse that can provide data for reporting and analysis on a section, unit, department or operation in the company, e.g. sales, payroll, production. Data marts are sometimes complete individual data warehouses which are usually smaller than the corporate data warehouse. Source: CoolInterview.com

IT IS A COLLECTION OF NEEDED INFORMATION COMPARE TO DATA WAREHOUSE THE SIZE IS LOW IT IS UPTO 50GB IT IS A SUMMERIZED OF DATA WAREHOUSE Source: CoolInterview.com

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